 bar owners formed the San Francisco Tavern Guild.A study into prostitution in the Tenderloin found that while trans women face discrimination from certain professions and their sexual partners, sex workers in the Tenderloin area were adept at overcoming some such difficulties.On New Year's Day in 1965, police raided a Mardi Gras Ball at California Hall on Polk Street sponsored by the Council on Religion and the Homosexual, lining up and photographing 600 participants and arresting several prominent citizens.